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  <title>Artificially increase load. Could be useful in tests,
  benchmarking</title>
 </head>
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<div id="layout">
  <div id="layout-content"><div id="function.eio-busy" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">eio_busy</h1>
  <p class="verinfo">(PECL eio &gt;= 0.0.1dev)</p><p class="refpurpose"><span class="refname">eio_busy</span> &mdash; <span class="dc-title">Artificially increase load. Could be useful in tests,
  benchmarking</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.eio-busy-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>eio_busy</strong></span>
    ( <span class="methodparam"><span class="type">int</span> <code class="parameter">$delay</code></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$pri</code><span class="initializer"> = EIO_PRI_DEFAULT</span></span>
   [, <span class="methodparam"><span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span> <code class="parameter">$callback</code><span class="initializer"> = NULL</span></span>
   [, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$data</code><span class="initializer"> = NULL</span></span>
  ]]] ) : <span class="type">resource</span></div>

  <p class="para rdfs-comment">
  <span class="function"><strong>eio_busy()</strong></span> artificially increases load taking
  <code class="parameter">delay</code> seconds to execute. May be used for debugging,
  or benchmarking.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.eio-busy-parameters">
  <h3 class="title">参数</h3>
  <dl>

   
    <dt>
<code class="parameter">delay</code></dt>

    <dd>

     <p class="para">
     Delay in seconds
     </p>
    </dd>

   
   
    <dt>
<code class="parameter">pri</code></dt>

    <dd>

    <p class="para">请求的优先级：<strong><code>EIO_PRI_DEFAULT</code></strong>，<strong><code>EIO_PRI_MIN</code></strong>，<strong><code>EIO_PRI_MAX</code></strong> 或 <strong><code>NULL</code></strong>。如果是
<strong><code>NULL</code></strong>，<code class="parameter">pri</code> 将设为
<strong><code>EIO_PRI_DEFAULT</code></strong>。
</p>

    </dd>

   
   
    <dt>
<code class="parameter">callback</code></dt>

    <dd>

    <p class="para">
    This callback is called when all the group requests are done.
    </p>
    </dd>

   
   
    <dt>
<code class="parameter">data</code></dt>

    <dd>

     <p class="para">
     Arbitrary variable passed to <code class="parameter">callback</code>.
     </p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.eio-busy-returnvalues">
 <h3 class="title">返回值</h3>
  <p class="para">
   <span class="function"><strong>eio_busy()</strong></span> returns request resource on success or <strong><code>FALSE</code></strong> on error.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.eio-busy-seealso"> <h3 class="title">参见</h3>
  <ul class="simplelist">
   <li class="member">eio_nop</li>
  </ul>
 </div>


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